D-LYF Yamind AL-5 is a 5L oxygen concentrator that extracts oxygen from atmospheric air. It comprises of an electrically-powered molecular sieve used to separate nitrogen from ambient air. Introduced in this unprecedented COVID-19 pandemic, the concentrator works as a perfect source of 93% (+/ - 3) oxygen in times of respiratory emergencies. General usage by individuals will help in everyday life ( better sleep cycles, less fatigue, etc.), making it a NECESSITY in every household as well. The uses are endless: All kinds of hospitals, clinics, Mild-severe Asthmatic patients, health centers and family nursing homes, Senior citizens, students, etc.. The manual provided along with the device is self-explanatory, hence, the product does not require any formal training to operate ( it is a plug and play device). Unlike all other concentrators, D-LYF Yamind Al-5 is a unique stationary and ULTRA SILENT concentrator with a heavy duty motor than can run seamlessly for 24 hours.